CN215358978U - External mold for casting precast concrete box girder - Google Patents
External mold for casting precast concrete box girder Download PDFInfo
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- CN215358978U CN215358978U CN202121471788.6U CN202121471788U CN215358978U CN 215358978 U CN215358978 U CN 215358978U CN 202121471788 U CN202121471788 U CN 202121471788U CN 215358978 U CN215358978 U CN 215358978U
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Abstract
The utility model relates to an external mold for pouring a precast concrete box girder, wherein two template bodies are arranged on two sides of a box girder pouring support, the two template bodies are respectively and symmetrically arranged on two sides of the box girder pouring support, a plurality of supporting and adjusting devices are arranged on the outer side of each template body, the upper end of a supporting rod a is connected with the horizontal part of the template body, the upper end of a supporting rod b is connected with the outer side surface of the inclined part of the template body, two groups of adjusting parts are respectively positioned below the supporting rod a and the supporting rod b and comprise an adjusting sleeve and a stabilizing block, the two ends of the adjusting sleeve are respectively in threaded connection with an upper screw rod and a lower screw rod, and the stabilizing block is positioned below the adjusting sleeve; a reinforcing plate is fixedly arranged between the supporting rod a and the supporting rod b, a fixing plate is connected below the reinforcing plate through an electric telescopic rod, and a plurality of movable rollers are arranged below the fixing plate; a side plate is vertically arranged above the horizontal part of the template body, and a plurality of reinforcing steel bar penetrating holes are uniformly formed in the side plate; the utility model has the advantages of good stability and convenient adjustment and transportation operation.
Description
Technical Field
The utility model belongs to the technical field of templates, and particularly relates to an external mold for pouring a precast concrete box girder.
Background
The precast concrete box girder is one of middle girders in bridge engineering, the interior of the precast concrete box girder is hollow, wing plates are arranged on two sides of the upper part of the precast concrete box girder and are similar to boxes, so that the precast concrete box girder is named as a single box, a plurality of boxes and the like, and an inner template and an outer template which are matched with the structure of the precast concrete box girder are required to be used in the pouring process; however, when the existing external formwork is installed, the overall stability of the existing external formwork is easily affected due to the unevenness of the contact surface, so that the subsequent pouring operation of the prefabricated box girder is affected; in addition, the existing external template needs to be hoisted and transported by a gantry crane due to large weight when moving in a short distance in a beam-making yard before and after being installed and disassembled, so that the operation is troublesome, and labor and time are wasted; therefore, in order to solve the above problems, it is necessary to develop an external mold for casting a precast concrete box girder, which has good stability and is convenient to adjust and transport.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the external mold for pouring the precast concrete box girder, which has good stability and is convenient to adjust and transfer.
The purpose of the utility model is realized as follows: the outer die for pouring the precast concrete box girder comprises two die plate bodies, wherein the two die plate bodies are respectively and symmetrically arranged at two sides of a box girder pouring support and consist of an inclined part and a horizontal part, a plurality of supporting and adjusting devices are fixedly arranged at the outer side of the die plate body along the length direction of the die plate body, each supporting and adjusting device comprises a supporting rod a, a supporting rod b and an adjusting piece, the upper end of the supporting rod a is fixedly connected with the lower surface of the horizontal part of the die plate body, the upper end of the supporting rod b is fixedly connected with the middle position of the outer side surface of the inclined part of the die plate body, two groups of adjusting pieces are respectively and fixedly arranged below the supporting rod a and the supporting rod b and comprise an adjusting sleeve and a stabilizing block, the two ends of the adjusting sleeve are respectively and symmetrically provided with an upper screw rod and a lower screw rod, the upper screw rod and the lower screw rod are both in threaded connection with the adjusting sleeve, and the upper end of the upper screw rod protrudes out of the adjusting sleeve, the lower end of the lower screw rod protrudes out of the adjusting sleeve and is fixedly connected with a stabilizing block positioned below the adjusting sleeve; a reinforcing plate is fixedly arranged between the supporting rod a and the supporting rod b, a fixing plate is connected below the reinforcing plate through an electric telescopic rod, and a plurality of movable rollers are arranged below the fixing plate; the upper portion of template body horizontal part is provided with the curb plate, is perpendicular form between curb plate and the template body horizontal part, and evenly is provided with a plurality of reinforcing bar on the curb plate and wears to restraint the hole.
The lower end of the supporting rod a and the lower end of the supporting rod b are located on the same horizontal plane, and the overall length of the supporting rod a is larger than that of the supporting rod b.
The movable roller and the damping piece are arranged between the fixed plates and comprise a telescopic loop bar and a damping spring, the telescopic loop bar is fixedly arranged between the movable roller and the fixed plates, and the damping spring is sleeved outside the telescopic loop bar.
The outer end of the upper surface of the horizontal part of the template body is provided with a plurality of thread grooves along the length direction, the outer side surface of the side plate is fixedly provided with a plurality of limiting sleeves corresponding to the thread grooves, limiting screws matched with the thread grooves are arranged in the limiting sleeves in a penetrating mode, the head ends of the limiting screws are located above the limiting sleeves, and the other ends of the limiting screws are in threaded connection with the thread grooves through the limiting sleeves.
The middle position of the outer surface of the adjusting sleeve is fixedly sleeved with a square rotating block.
The utility model has the beneficial effects that: by arranging the adjusting sleeve, the upper screw rod, the lower screw rod and the stabilizing block, when the adjusting sleeve is used, the adjusting sleeve is moved, and the adjusting sleeve is connected with the upper screw rod and the lower screw rod through threads, so that the upper screw rod and the lower screw rod can be driven to simultaneously move outwards or inwards along the vertical direction while the adjusting sleeve rotates, the integral length of an adjusting piece is adjusted, and the problem that the integral stability of the adjusting piece is influenced due to the fact that the contact surface is uneven is solved; meanwhile, by arranging the reinforcing plate, the fixing plate, the electric telescopic rod and the moving roller, before installation and after disassembly, when the electric telescopic rod moves in a beam-making yard in a short distance, the electric telescopic rod is controlled to be unfolded, the electric telescopic rod is unfolded, the moving roller can be driven by the fixing plate to move downwards, the lower end of the moving roller can be contacted with the contact surface along with the downward movement of the moving roller, the stabilizing block is separated from and contacted with the contact surface, and at the moment, the rolling property of the moving roller can be utilized to push the whole beam-making yard to carry out short-distance transportation, so that the efficiency of transportation operation and the convenience of transportation operation are improved; by arranging the thread groove, the limiting sleeve and the limiting screw rod, when in use, the limiting connection between the template body and the side plate can be realized by utilizing the matching between the limiting sleeve and the limiting screw rod and the threaded connection between the limiting screw rod and the thread groove; in general, the utility model has the advantages of good stability and convenient adjustment and transportation operation.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a sectional view of a front view of the connection of the side plate and the formwork body in the present invention.
Fig. 3 is a cross-sectional view of an elevation view of the adjustment member, strut a and strut b connection of the present invention.
In the figure: 1. the template comprises a template body 11, a thread groove 2, a support adjusting device 21, a support rod a 22, a support rod b 23, an adjusting piece 231, an adjusting sleeve 232, a stabilizing block 233, an upper screw 234, a lower screw 3, a reinforcing plate 31, an electric telescopic rod 4, a fixing plate 5, a moving roller 6, a shock absorbing piece 7, a side plate 71, a reinforcing steel bar penetrating hole 72, a limiting sleeve 73 and a limiting screw.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Example (b): as shown in fig. 1, 2 and 3, an outer mold for casting a precast concrete box girder includes two mold plate bodies 1, the two mold plate bodies 1 are respectively and symmetrically disposed at two sides of a box girder casting support, and are composed of two parts, namely an inclined part and a horizontal part, a plurality of support adjusting devices 2 are fixedly disposed at the outer side of the mold plate body 1 along the length direction thereof, the support adjusting devices 2 include a supporting rod a21, a supporting rod b22 and adjusting pieces 23, the upper end of the supporting rod a21 is fixedly connected with the lower surface of the horizontal part of the mold plate body 1, the upper end of the supporting rod b22 is fixedly connected with the middle position of the outer side surface of the inclined part of the mold plate body 1, the adjusting pieces 23 are provided with two groups, respectively and fixedly disposed below the supporting rod a21 and the supporting rod b22, and include an adjusting sleeve 231 and a stabilizing block 232, the two ends of the adjusting sleeve 231 are respectively and symmetrically provided with an upper screw 233 and a lower screw 234, the upper screw 233 and the lower screw 234 are both in threaded connection with the adjusting sleeve 231, wherein the upper end of the upper screw 233 protrudes out of the adjusting sleeve 231 and is fixedly connected with the supporting rod a21, and the lower end of the lower screw 234 protrudes out of the adjusting sleeve 231 and is fixedly connected with the stabilizing block 232 located below the adjusting sleeve 231; a reinforcing plate 3 is fixedly arranged between the supporting rod a21 and the supporting rod b22, a fixing plate 4 is connected below the reinforcing plate 3 through an electric telescopic rod 31, and a plurality of movable rollers 5 are arranged below the fixing plate 4; the top of template body 1 horizontal part is provided with curb plate 7, is vertical form between curb plate 7 and the template body 1 horizontal part, and evenly is provided with a plurality of reinforcing bar on the curb plate 7 and wears to restraint hole 71.
The lower end of the strut a21 is positioned on the same horizontal plane as the lower end of the strut b22, and the overall length of the strut a21 is greater than that of the strut b 22; a damping part 6 is arranged between the movable roller 5 and the fixed plate 4, the damping part 6 comprises a telescopic loop bar and a damping spring, the telescopic loop bar is fixedly arranged between the movable roller 5 and the fixed plate 4, the damping spring is sleeved outside the telescopic loop bar, and the damping part 6 can play a certain damping and buffering role; the outer end of the upper surface of the horizontal part of the template body 1 is provided with a plurality of thread grooves 11 along the length direction, the outer side surface of the side plate 7 is fixedly provided with a plurality of limiting sleeves 72 at positions corresponding to the thread grooves 11, limiting screws 73 structurally matched with the thread grooves 11 penetrate through the limiting sleeves 72, the head ends of the limiting screws 73 are positioned above the limiting sleeves 72, the other ends of the limiting screws 73 are in threaded connection with the thread grooves 11 through the limiting sleeves 72, and the limiting connection between the template body 1 and the side plate 7 can be realized by utilizing the matching between the limiting sleeves 72 and the limiting screws 73 and the threaded connection between the limiting screws 73 and the thread grooves 11; the fixed cover in intermediate position of adjusting sleeve 231 surface is equipped with square turning block, utilizes the convenience of turning block multiplicable adjusting sleeve 231 rotation operation.
In the using process of the utility model, especially when the utility model is used in the environment with uneven contact surface, the position of the template body 1 needs to be adjusted to avoid the inclination, and the specific adjusting operation is as follows; by rotating the adjusting sleeve 231 and utilizing the threaded connection between the adjusting sleeve 231 and the upper screw 233 and the lower screw 234, the adjusting sleeve 231 can be driven to simultaneously displace the upper screw 233 and the lower screw 234 outward or inward along the vertical direction while rotating, so as to adjust the overall length of the adjusting piece 23, and by utilizing the adjustment of the length of the adjusting piece 23, when the template is used in an environment with uneven contact surfaces, the supporting rods a21 and b22 are ensured to be in a vertical state, and further, the template body 1 is kept in a vertical state by utilizing the supporting action of the supporting rods a21 and b 22.
Before installation and after disassembly, when the electric telescopic rod 31 is required to move in a short distance in a beam-making field, the electric telescopic rod 31 can be unfolded, the fixed plate 4 can drive the movable roller 5 to move downwards, the lower end of the movable roller 5 can be contacted with the contact surface along with the downward movement of the movable roller 5, and the stabilizing block 232 is separated from the contact surface, so that the rolling property of the movable roller 5 can be utilized to push the whole beam-making field to carry out short-distance transportation, and the efficiency of transportation operation and the convenience of transportation operation are improved; in general, the utility model has the advantages of good stability and convenient adjustment and transportation operation.
Claims (5)
1. The utility model provides a precast concrete box girder pouring uses external mold, includes the template body, its characterized in that: the two template bodies are respectively and symmetrically arranged at two sides of the box girder pouring support and consist of two parts, namely an inclined part and a horizontal part, a plurality of supporting and adjusting devices are fixedly arranged at the outer side of the template body along the length direction of the template body, each supporting and adjusting device comprises a supporting rod a, a supporting rod b and adjusting pieces, the upper end of each supporting rod a is fixedly connected with the lower surface of the horizontal part of the template body, the upper end of each supporting rod b is fixedly connected with the middle position of the outer side surface of the inclined part of the template body, the two groups of adjusting pieces are respectively and fixedly arranged below the supporting rods a and b and comprise adjusting sleeves and stabilizing blocks, the two ends of each adjusting sleeve are respectively and symmetrically provided with an upper screw rod and a lower screw rod, the upper screw rods are in threaded connection with the adjusting sleeves, the upper ends of the upper screw rods protrude out of the adjusting sleeves and are fixedly connected with the supporting rods a, the lower end of the lower screw rod protrudes out of the adjusting sleeve and is fixedly connected with a stabilizing block positioned below the adjusting sleeve; a reinforcing plate is fixedly arranged between the supporting rod a and the supporting rod b, a fixing plate is connected below the reinforcing plate through an electric telescopic rod, and a plurality of movable rollers are arranged below the fixing plate; the upper portion of template body horizontal part is provided with the curb plate, is perpendicular form between curb plate and the template body horizontal part, and evenly is provided with a plurality of reinforcing bar on the curb plate and wears to restraint the hole.
2. The external mold for casting a precast concrete box girder according to claim 1, wherein: the lower end of the supporting rod a and the lower end of the supporting rod b are located on the same horizontal plane, and the overall length of the supporting rod a is larger than that of the supporting rod b.
3. The external mold for casting a precast concrete box girder according to claim 1, wherein: the movable roller and the damping piece are arranged between the fixed plates and comprise a telescopic loop bar and a damping spring, the telescopic loop bar is fixedly arranged between the movable roller and the fixed plates, and the damping spring is sleeved outside the telescopic loop bar.
4. The external mold for casting a precast concrete box girder according to claim 1, wherein: the outer end of the upper surface of the horizontal part of the template body is provided with a plurality of thread grooves along the length direction, the outer side surface of the side plate is fixedly provided with a plurality of limiting sleeves corresponding to the thread grooves, limiting screws matched with the thread grooves are arranged in the limiting sleeves in a penetrating mode, the head ends of the limiting screws are located above the limiting sleeves, and the other ends of the limiting screws are in threaded connection with the thread grooves through the limiting sleeves.
5. The external mold for casting a precast concrete box girder according to claim 1, wherein: the middle position of the outer surface of the adjusting sleeve is fixedly sleeved with a square rotating block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121471788.6U CN215358978U (en) | 2021-06-30 | 2021-06-30 | External mold for casting precast concrete box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121471788.6U CN215358978U (en) | 2021-06-30 | 2021-06-30 | External mold for casting precast concrete box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215358978U true CN215358978U (en) | 2021-12-31 |
Family
ID=79606293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121471788.6U Active CN215358978U (en) | 2021-06-30 | 2021-06-30 | External mold for casting precast concrete box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215358978U (en) |
-
2021
- 2021-06-30 CN CN202121471788.6U patent/CN215358978U/en active Active
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